package day06;

import java.util.Arrays;

//数组的演示
public class ArrayDemo {
    public static void main(String[] args) {
        //数组的复制:
        int[]a = {10,20,30,40,50};
       // int[]b = new int[6];//0,0,0,0,0,0
        //a:源数组
        //1:源数组的起始下标
        //b:目标数组
        //0:目标数组的起始下标
        //4:要复制的元素个数
//        System.arraycopy(a,1,b,0,4);
//        for (int i = 0; i < b.length; i++) {
//            System.out.println(b[i]);
//        }
        int []b = Arrays.copyOf(a,7);
        for (int i = 0; i < b.length; i++) {
            System.out.println(b[i]);
        }
    }
}
